10 Questions
Which proteins defend vertebrates against bacterial and viral infections?
Antibodies
Which protein is the photoreceptor in retinal rod cells?
Rhodopsin
What is the primary role of membrane proteins?
Relaying signals within cells
Which amino acid derivative is NOT an example of a polypeptide hormone?
Thyroid hormone
At neutral pH, amino acids are predominantly found in which form?
Zwitterions
Which biomolecule is the second-largest component in human muscles, cells, and other tissues?
Protein
What is the unique role that proteins play in biological systems?
Enzymatic catalysis
Which protein is responsible for transporting potassium into cells and sodium out of cells to create concentration gradients for nerve cell function?
Na-k pump
Which protein serves as reserves of metal ions and amino acids that can be mobilized for maintenance and growth?
Ferritin
What is the major role of proteins in muscle function?
Co-ordinated motion
Learn about the role of amino acids in the human body and their significance in various biological processes. Explore the composition of essential biomolecules such as proteins, lipids, carbohydrates, and nucleic acids.
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